Diagram Definition and 1000 Threads

How do we interept what is going on in the block diagram? We have u going in and being added or subtracted from noise but we arent giving the plus and minus to determine which it is. Then there is a branch off u going straight to the Kalman filter. Then y comes from the plant and is added or...

HELLO everyone.. i have read some journals and some researchers (not all but most of them) said that bismuth manganate MUST be synthesized in high pressure conditions. in other words, not in room temperature/pressure. it that true? because some of researchers also synthesized that BiMnO3 in...

Homework Statement Need to design a system where the lamp (output) turns on when sound is heard and turns off after 10 seconds of no sound, but it must also be dark (light sensor).Homework Equations The Attempt at a Solution I have put a Light Sensor (that is set to let current flow when it is...

Hey guy, I would like to ask a few question about force and free body diagram. First question, I conduct a compressive experiment a few day back, using compression machine to test the strength of different materials e.g., Aluminium, PVC and Ceramic. However there is one thing that I don't...

Hi, I started reading about mesh stiffness and came across an interesting diagram called “Harris diagram” which represents the relationship between profile corrections and transmission error. Naturally, I ended up with few doubts, that I thought I could ask : 1. I am unable to understand the...

…or must it be of displacement, x? In a shear force, V (or bending moment, M) diagram, isn't it usually the shear force (or bending moment) plotted as a function of displacement, x? When someone asks to "draw the shear force and bending moment diagrams as a function of the applied load...

Homework Statement Sketch the energy diagram for a system with l = 2 and s = 1/2: before spin-orbit splitting, after spin-orbit splitting, after additional application of external magnetic B (label all m values). Homework Equations m values from -l to l (total 2l+1 values) j values...

Homework Statement http://postimg.org/image/vnn9m9au9/ For the car why is the friction acting towards the left. Shouldn't it be towards the right since the car is moving to the left And why is there no friction for the trailer? Homework Equations The Attempt at a Solution

Homework Statement a) What is the length, rmr_m, of the moment arm of the force F→F_vec about point p? b) Find the torque τtau about p due to F→F_vec. Your answer should correctly express both the magnitude and sign of τ.The Attempt at a Solutiona) I'm inclined to state the answer as -rsinΘ...

Hello all you physics folks, this is my first post, so if I screw this up, go easy on me :) Here's the problem I'm working on and that I simply can't get my head wrapped around: I have a table of 10 values of counts per second (cps) of alpha decay of Americium-241, depending on the...

I am having a difficult time understanding how they're transforming this capacitor schematic...what exactly is going on here? The example states that each cap is 7pF and the final answer C(eq) = 4.308pF...but why?

Hi, I was just trying to draw a Feynman diagram for ψ' to χ_{c} states. So we have a electromagnetic transition. I feel tempted to just have c and \bar{c} coming in and letting a γ leave from one of the legs. But that looks like an incomplete Feynman diagram to me. Maybe I have to get two...

Hi, I've been reading about Feynman diagrams lately and I'm trying to understand the pair annihilation diagram. The picture's here: http://en.wikipedia.org/wiki/File:Feynman_EP_Annihilation.svg I don't understand the following things about the diagram: 1. Why anti-patricles have to...

So I wanted to create an enthalpy-concentration diagram generator in Excel using Dalton's Law and Raoult's Law (ideal stuff). The problem is with the formulation. I studied and used this .pdf file form a university in HK: http://ihome.ust.hk/~kexhu/ceng3210/221-05.pdf Seeing as it also agrees...

Homework Statement A person pushes perpendicularly on a block of wood that has been placed against a wall. Draw a free body diagram and identify the reaction forces to all the forces on the block. 2. The attempt at a solution I'm not exactly sure if I've covered all the forces or if I'm...

Hi, I am designing a system to run a certain sequence when the control input is off, and then run a different sequence when the control input is on. When drawing a state diagram, for the loop where the control input is on, can the system repeat the same state twice throughout its sequence and...

Homework Statement http://postimg.org/image/5h0hvdi4l/ Can someone explain why the FBD of Block C would involve three cord tensions? Homework Equations The Attempt at a Solution

Homework Statement Draw the shear diagram for the compound supported beam. Homework Equations Statics... so sum of moments at any point or forces in any direction are 0 The Attempt at a Solution I summed the forces in the y direction, as well as the moments at A and moments at B...

Homework Statement Attached, where AC=BC=2R and CD=CE=3R. I need to work out the force the cylinder exerts on the cross section (in order to work out the moment at C). So first I'm trying to work out the free body diagrams for this system. Is it as I've attached? How do I draw the tension...

Hullo, I've just only begun looking at phase diagrams of a 5 component alloy and wanted to know if there is a better way to study the phase diagrams of multi-component alloys rather than looking at a multitlude of binary phase diagrams calculated from the alloy system. I'm using Thermocalc...

Here's the question: The following figure is the H-R diagram of a star cluster. Use this diagram to determine the age of the cluster. The answers are multiple choice: (A) 600 thousand years (B) 6 million years (C) 60 million years (D) 600 million years (E) 6 billion years...

The vertical motion of an elevator is recorded and a Position vs Time plot is generated. The plot is shown in the image attached. 1. Construct a scale drawing of the associated Velocity vs Time plot complete with axis labels. 2. Calculate the average acceleration for the time interval t...

Not sure about the correct wording for this question! A brick of mass M sits on a rubber pillow of mass m . Together they are sliding to the right at constant velocity on an ice-covered parking lot. (a) Draw a free-body diagram of the brick and identify each force acting on it. (b)...

the number stand for the index of particles (quarks and gluons) M=\bar{v}(p_2) ig_sT_{12}\gamma^\mu(12)u(p_1)\frac{-i}{p_7^2}\bar{u}(p_5) ig_sT_{56}\gamma_\mu(56)\bar{v}(p_6)\frac{-i}{m-\gamma^\mu p_{9\mu}}\bar{v}(p_3)...

Where may an individual purchase a printed copy of the CIE xy chromaticity diagram, showing (reasonably) true colors and hues? Preferably, I would like to have a copy that shows some of the wavelengths of the monochromatic colors around the periphery of the diagram (except, of course, for the...

Does the first diagram in the Wikipedia page: https://en.wikipedia.org/wiki/Coriolis_effect (that of the ball rolling on a rotating disk) properly illustrate the Coriolis effect or does it simply illustrate the conservation of angular momentum. I understand that these are two different principles.

Homework Statement The diagram shows the electric field lines surrounding three electric charges. Assume that q1 + q2 = -2.43 µC. A) Calculate q2. B) Calculate q1. C) Calculate q3. Homework Equations |Fe|= (k*|q1|*|q2|)/r^2 |E|=(k*|Q|)/r^2 k = 8.99*10^9 (N*m^2)/C^2...

Homework Statement I have attached a diagram Homework Equations 14 + Va -32 + Vb -15=0?? or Vb=-15? The Attempt at a Solution The reason why I cannot attempt this problem is that I'm not sure whether it is valid that there can be a point load at Support B or whether they are...

Hello, Does anyone know of any free software that will allow me to easily create chemical process flow diagrams, that have all the symbols for various components (distillation columns, heat exchangers, etc)? Thank you

I'm not sure if this is the right place to post- sorry if it's not. ********* Does anyone have an image or link to a website that shows the relative strengths of the strong, weak and electromagnetic forces as a function of energy? I like it as a way to explain spontaneous symmetry breaking...

Thermodynamics -- PV Diagram of an Ideal Gas Homework Statement Right, I've got a PV diagram attached to make this easier to explain. The substance is an ideal gas. I need to calculate the heat absorbed along the different paths ACB, ADB and AB. The first two are easy. The red lines in the...

I have been using Visio for a few days now and I'm frustrated because I can't edit my UML sequence diagram a bit without the whole thing falling apart. Say I have it already nicely done and I want to add an alt box. When I shift the whole thing down, some of the activation bars and message...

Hello, I am having difficulties in my study of thermodynamics to keep all of these Iso's in order. What I mean is, how the PV diagram should look for isothermal, isobaric, isochoric, and adiabatic processes, as well as expressions for Q and W for all of these processes, and in general the...

Homework Statement For the overhanging beam in the figure, A) draw the moment diagram indicating all critical values including the maximum moment (Value and location), and B) write the moment function, M(x), for B-C section in terms of x coordinate as shown in the figure. Homework...

Homework Statement Draw a free body diagram of the incline. Build the free body diagram of the man. Which is the force which makes the man to go up the incline? http://imagizer.imageshack.us/v2/800x600q90/46/t92m.png Homework Equations Newton's 2º Law The Attempt at a Solution...

Homework Statement Hey guys, so I'm new to Feynman diagrams, and I have a few to draw but i'll start with the first one. I'm being asked to draw the following process: \pi^{0}(uu* or bb*)→\gamma +\gamma. I have to "clearly label each quark, lepton and boson, and say which fundamental force...

i need to know what pressure oxygen will liquefy at under various pressures but i can't find a phase diagram anywhere any link phase diagram that shows pressures 0-50 atm would be useful

My teacher gave me a solved problem to practice. There is a free-body diagram of a particle on a tilted plane. The resulting force points in the direction of the negative x-axis, aligned with the inclination of the plane.Am I the only one that thinks there could also be a velocity vector...

I was looking through a book on magnetism and it had the attached diagrams of field lines and stated that the classical diagram of field lines exiting the N pole and entering the S pole is incorrect. They claim their diagram is the correct representation of the magnetic field lines. Their...

Homework Statement https://www.icloud.com/photostream/#AE5oqs3qHTNWQ;B21C49F3-02FB-4EA3-8CE5-D1E2C1FA7C49 Homework Equations The Attempt at a Solution https://www.icloud.com/photostream/#AE5oqs3qHTNWQ;A55D9431-FD6D-4884-9AFC-C4D7C8E39AF1

Homework Statement Draw the shear and moment diagram for the beam Homework Equations ∑Fy=0 ∑M=0; ΔV=∫w(x)dx ΔM=∫V dx The Attempt at a Solution I am firstly finding the external forces as any statics problem(Ay=13.5kN upwards, By=13.5kN upwards).Then I found the equations of the...

Homework Statement This is the question that I am struggling with. http://postimg.org/image/5kb0pur3z/ I need to plot shear force and bending moment diagram of it.Homework Equations The beam is in static equilibrium so algebraic sum of forces in x and y direction equal zero. Also, moment is...

Questions are shown on the pictures. For the block diagram, I know (1) error signal (5) output (7) feedback signal What are the (2), (3), (4) and (6)? Besides, how to answer the RFID questions? Ans. 1. For example, mall card? Ans. 2. Ans. 3. Ans. 4. Ans. 5. Please help!

Homework Statement 0<\left|x+3\right|<1/4 Homework Equations The Attempt at a Solution (-13/4)<x<(-11/4) and x\neq-3 Thanks in advance. This is my first post and I am unfamiliar with formatting this kind of stuff so I will work on getting better at that aspect.

Homework Statement This isn't for a homework problem per say, though it is a coursework question. I'm writing a lab report on Multi-Quantum Well Laser Diodes and am trying to explain the basic semiconductor physics behind it. As such I need a diagram of the band structure. Homework...

Hello, Homework Statement I'd like to draw the E-K diagram for the following within the first brillouin (-π/a≤k≤π/a): Conduction band: E(k) = E0 + Ak2 - Bk4 Valence band: E(k) = Ccos(ka) Where E0=1.48eV; C=0.3eV; B=2.78*10-31eVcm4; A=1.69*10-15eVcm2 Homework Equations The...

Consider the Feynman diagram below from, http://hyperphysics.phy-astr.gsu.edu/hbase/particles/expar.html where I assume time runs upwards and the gluon in the graphic runs horizontal and is labled as a green_antiblue gluon. If the gluon runs horizontal can one still label a gluon as being...

\sum\vec{F} is intended to be the net force (this is the sum of all forces acting on an object). However I have read that such sum equals to the product of the mass of the object and the acceleration that undergoes, but it resulted confusing to me that I read that \textit{m}\vec{a} doesn't...

Hello All, Guys in my recent lecture I discussed that unlike the focal length of spherical mirrors which is half the radius of curvature, the focal length of lenses depends not only on the geometry of lenses but also on the refractive indices of the media, and that here the relation f=R/2 is...

We were given a project to fabricate and analyze hydroelectric power generation system. My question is what will be the shape of Pv diagram for turbine. I think it would be a point because during the process the pressure and specific volume of liquid water do not change.